Interobserver Reliability of Tongue Diagnosis Using Traditional Korean Medicine for Stroke Patients

Table 2

Agreement measures in PI with the same opinions between the raters.

Variables	% Agreement	Kappa (𝜅)	CI of 𝜅	AC1	CI of AC1
Tongue color:
Pale	75.00	0.49	(0.41, 0.58)	0.51	(0.42, 0.59)
Red	76.67	0.53	(0.45, 0.61)	0.54	(0.46, 0.62)
bluish purple	94.09	0.57	(0.42, 0.72)	0.93	(0.90, 0.96)
Fur color:
White fur	77.05	0.52	(0.44, 0.60)	0.56	(0.48, 0.64)
Yellow fur	86.37	0.71	(0.64, 0.78)	0.74	(0.68, 0.81)
Fur quality:
Thick fur	83.25	0.65	(0.58, 0.73)	0.68	(0.61, 0.75)
Thin fur	75.18	0.50	(0.42, 0.58)	0.51	(0.42, 0.59)
Moist fur	70.53	0.31	(0.22, 0.40)	0.5	(0.41, 0.58)
Dry fur	82.46	0.52	(0.42, 0.61)	0.72	(0.66, 0.79)
Special tongue appearance:
Teeth marked	89.06	0.53	(0.42, 0.64)	0.86	(0.82, 0.90)
Enlarged	90.67	0.57	(0.46, 0.69)	0.88	(0.84, 0.92)
Mirror	97.99	0.72	(0.54, 0.89)	0.98	(0.96, 0.99)
Spotted	96.88	0.40	(0.15, 0.65)	0.97	(0.95, 0.99)

PI: pattern identification; CI: confidence interval.